[xen staging] x86/vmx: Update DR7 type

[patchbot@xxxxxxx]

commit 48c9e67594496e1ab030c17b6bc136afe9f48e7f
Author:     Denis Mukhin <dmukhin@xxxxxxxx>
AuthorDate: Sat Apr 26 07:27:44 2025 +0000
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Mon Apr 28 21:01:24 2025 +0100

    x86/vmx: Update DR7 type
    
    Use the new vmread() accessor and shrink dr7 to it's preferred size.
    
    No functional change.
    
    Signed-off-by: Denis Mukhin <dmukhin@xxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 xen/arch/x86/hvm/vmx/vmx.c        | 2 +-
 xen/arch/x86/include/asm/domain.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/xen/arch/x86/hvm/vmx/vmx.c b/xen/arch/x86/hvm/vmx/vmx.c
index 4883bd823d..827db6bdd8 100644
--- a/xen/arch/x86/hvm/vmx/vmx.c
+++ b/xen/arch/x86/hvm/vmx/vmx.c
@@ -926,7 +926,7 @@ static void vmx_save_dr(struct vcpu *v)
     v->arch.dr[3] = read_debugreg(3);
     v->arch.dr6   = read_debugreg(6);
     /* DR7 must be saved as it is used by vmx_restore_dr(). */
-    __vmread(GUEST_DR7, &v->arch.dr7);
+    v->arch.dr7   = vmread(GUEST_DR7);
 }
 
 static void __restore_debug_registers(struct vcpu *v)
diff --git a/xen/arch/x86/include/asm/domain.h 
b/xen/arch/x86/include/asm/domain.h
index 5fc1d1e5d0..8c0dea12a5 100644
--- a/xen/arch/x86/include/asm/domain.h
+++ b/xen/arch/x86/include/asm/domain.h
@@ -595,8 +595,8 @@ struct arch_vcpu
 
     /* Debug registers. */
     unsigned long dr[4];
-    unsigned long dr7; /* Ideally int, but __vmread() needs long. */
     unsigned int dr6;
+    unsigned int dr7;
 
     /* other state */
 
--
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